Dictionaries:
Sexual DictionaryDictionary of the F-Word
foul line:
The crevice separating the buttocks .Synonyms: ass-crack ; backeye-slice ; backeye-slit ; broad-smile ; brownsward ; bum-cleavage ; butt-crack ; buttocks-cleavage ; cleft ; crack ; crease ; crevice ; happy-valley ; reverse-cleavage ; split ; vertical-grin ; valley .
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